Displaying publications 21 - 40 of 104 in total

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  1. The challenge of HIV spread among and from injecting drug users in Asia
    Wodak A
    Dev Bull, 2000 Jun.
    PMID: 12179449
    Matched MeSH terms: Substance Abuse, Intravenous*
  2. Knowledge and perception of risk for HIV and condom use among male injecting drug users in Cebu City, Philippines
    Amadora-Nolasco F, Alburo RE, Aguilar EJ, Trevathan WR
    Drug Alcohol Rev, 2002 Jun;21(2):137-43.
    PMID: 12188992
    Injecting drug users (IDU) represent a small fraction of the HIV and AIDS cases in the Philippines. To determine if these people are engaging in behaviors that put them at risk for HIV, interviews were conducted with 360 male IDUs in Cebu City, Philippines, from 1997 to 1999, as part of a national surveillance system. The interviews assessed knowledge about HIV transmission, sources of information about HIV/AIDS, perceived risks of contracting HIV, needle-sharing practices, condom use, self-reported signs and symptoms of STDs and number of sex partners. Although most of the men were able to recognize behaviors accurately that put them at risk for HIV, more than two-thirds claimed that they shared needles and almost two-thirds of those who were sexually active claimed that they never used condoms. Intervention strategies must be developed for this population if the nation is to avoid the dramatic increase in HIV infection among IDUs that has been witnessed in neighboring Southeast Asian nations such as Malaysia and Vietnam.
    Matched MeSH terms: Substance Abuse, Intravenous/epidemiology*; Substance Abuse, Intravenous/psychology
  3. Fulltext Rare cause of Horner's syndrome: pseudoaneurysm of right subclavian artery in an intravenous drug user
    Lee SK, Zainal A
    Med J Malaysia, 2004 Mar;59(1):115-7.
    PMID: 15535347
    Pseudoaneurysms of the subclavian artery are extremely rare lesions despite the overall increase in the frequency of septic pseudoaneurysms caused by illicit parenteral drug abuse. A case of subclavian artery pseudoaneurysm presenting with Horner's syndrome in an intravenous drug user is discussed.
    Matched MeSH terms: Substance Abuse, Intravenous/complications*
  4. Global overview of injecting drug use and HIV infection among injecting drug users
    Aceijas C, Stimson GV, Hickman M, Rhodes T, United Nations Reference Group on HIV/AIDS Prevention and Care among IDU in Developing and Transitional Countries
    AIDS, 2004 Nov 19;18(17):2295-303.
    PMID: 15577542
    OBJECTIVE: To provide global estimates of the prevalence of injecting drug use (IDU) and HIV prevalence among IDU, in particular to provide estimates for developing and transitional countries.

    METHODS: Collation and review of existing estimates of IDU prevalence and HIV prevalence from published and unpublished documents for the period 1998-2003. The strength of evidence for the information was assessed based on the source and type of study.

    RESULTS: Estimates of IDU prevalence were available for 130 countries. The number of IDU worldwide was estimated as approximately 13.2 million. Over ten million (78%) live in developing and transitional countries (Eastern Europe and Central Asia, 3.1 million; South and South-east Asia, 3.3 million; East-Asia and Pacific, 2.3 million). Estimates of HIV prevalence were available for 78 countries. HIV prevalence among IDU of over 20% was reported for at least one site in 25 countries and territories: Belarus, Estonia, Kazakhstan, Russia, Ukraine, Italy, Netherlands, Portugal, Serbia and Montenegro, Spain, Libya, India, Indonesia, Malaysia, Myanmar, Nepal, Thailand, Viet Nam, China, Argentina, Brazil, Uruguay, Puerto Rico, USA and Canada.

    CONCLUSIONS: These findings update previous assessments of the number of countries with IDU and HIV-infected IDU, and the previous quantitative global estimates of the prevalence of IDU. However, gaps remain in the information and the strength of the evidence often was weak.

    Matched MeSH terms: Substance Abuse, Intravenous/complications; Substance Abuse, Intravenous/epidemiology*
  5. Intravenous neck injections in a drug abuser resulting in infection of a laryngocele
    Jahendran J, Sani A, Rajan P, Mann GS, Appoo B
    Asian J Surg, 2005 Jan;28(1):41-4.
    PMID: 15691797
    A pyolaryngocele is an uncommon complication of a laryngocele that has become infected. We present a case of a pyolaryngocele that was probably due to repeated injections in the neck veins. The pathogenesis, clinical features and management are discussed in detail.
    Matched MeSH terms: Substance Abuse, Intravenous/complications*
  6. The evolving molecular epidemiology of HIV type 1 among injecting drug users (IDUs) in Malaysia
    Tee KK, Saw TL, Pon CK, Kamarulzaman A, Ng KP
    AIDS Res Hum Retroviruses, 2005 Dec;21(12):1046-50.
    PMID: 16379608
    Earlier studies in the 1990s indicate that human immunodeficiency virus type 1 (HIV-1) subtype B has been the predominant subtype among injecting drug users (IDUs) in Malaysia. More recent studies performed between 2003 and 2004, however, show a high prevalence of unique CRF01_AE/B intersubtype recombinants among IDUs. To determine the subtype distribution among IDUs in Kuala Lumpur prior to the emergence of CRF01_AE/B intersubtype recombinants, the gag-pol or the reverse transcriptase gene was sequenced from IDUs who were diagnosed as HIV positive between 1993 and 2002. Subtype B was present at 50.0% followed by CRF01_AE/B recombinant at 41.7%, with more CRF01_AE/B recombinants detected between 2000 and 2002. All CRF01_AE/B recombinants shared similar recombination patterns. Interestingly, we found that this potential new candidate of circulating recombinant form (CRF) could have emerged as early as the mid-1990s. The results showed evidence of changing HIV-1 molecular epidemiology toward the predominance of CRF01_AE/B intersubtype recombinants among IDUs in Kuala Lumpur.
    Matched MeSH terms: Substance Abuse, Intravenous/complications*
  7. Prevalence of illicit drug use in Asia and the Pacific
    Devaney ML, Reid G, Baldwin S
    Drug Alcohol Rev, 2007 Jan;26(1):97-102.
    PMID: 17364842
    This paper reports on the prevalence of drug use in Asia and the Pacific. It is based on the report "Situational analysis of illicit drug issues and responses in Asia and the Pacific", commissioned by the Australian National Council on Drugs Asia Pacific Drug Issues Committee. Review of existing estimates of the prevalence of people who use illicit drugs from published and unpublished literature and information from key informants and regional institutions was undertaken for the period 1998 - 2004. Estimates of the prevalence of people who use illicit drugs were conducted for 12 Asian and six Pacific Island countries. The estimated prevalence of those using illicit drugs ranges from less than 0.01% to 4.6%. Countries with estimated prevalence rates higher than 2% are Cambodia, Hong Kong, Philippines, Thailand, Indonesia, Laos and Malaysia. China, Myanmar and Vietnam have estimated prevalence rates ranging between less than 0.01% and 2%. Data to estimate prevalence rates was not available for Pacific Island countries and Brunei. Estimates of the prevalence of drug use are critical to policy development, planning responses and measuring the coverage of programs. However, reliable estimates of the numbers of people using illicit drugs are rare in Asia, particularly the Pacific.
    Matched MeSH terms: Substance Abuse, Intravenous/epidemiology*
  8. Malaysia and harm reduction: the challenges and responses
    Reid G, Kamarulzaman A, Sran SK
    Int J Drug Policy, 2007 Mar;18(2):136-40.
    PMID: 17689356
    In Malaysia the response to illicit drug use has been largely punitive with the current goal of the Malaysian government being to achieve a drug-free society by 2015. This paper outlines the results of a desk-based situation assessment conducted over a 3-week period in 2004. Additional events, examined in 2005, were also included to describe more recent policy developments and examine how these came about. Despite punitive drug policy there has been a substantial rise in the number of drug users in the country. Over two-thirds of HIV/AIDS cases are among injecting drug users (IDUs) and there has been an exponential rise in the number of cases reported. Further, data suggest high risk drug use practices are widespread. Harm reduction initiatives have only recently been introduced in Malaysia. The successful piloting of substitution therapies, in particular methadone and buprenorphine, is cause for genuine hope for the rapid development of such interventions. In 2005 the government announced it will allow methadone maintenance programmes to operate beyond the pilot phase and needle and syringe exchange programmes will be established to serve the needs of IDUs.
    Matched MeSH terms: Substance Abuse, Intravenous/epidemiology; Substance Abuse, Intravenous/prevention & control*
  9. Emerging HIV epidemics in Muslim countries: assessment of different cultural responses to harm reduction and implications for HIV control
    Todd CS, Nassiramanesh B, Stanekzai MR, Kamarulzaman A
    Curr HIV/AIDS Rep, 2007 Dec;4(4):151-7.
    PMID: 18366945
    Harm reduction, including needle exchange and opioid substitution therapy, has been demonstrated to reduce high-risk behavior and HIV infection among injection drug users. An increasing number of countries in the Middle East, North Africa, and Asia, including those with Muslim majorities, have experienced or are at risk for HIV epidemics initiated by burgeoning injection drug use. Although use of intoxicants is expressly forbidden within Islam, the local culture impacts the interpretation of Islamic law and influences the response to drug misuse, whether punitive or therapeutic. Harm reduction programming has received varying acceptance within this global region, which may be reflected by national trends in HIV prevalence. The purpose of this paper is to examine cultural and religious response to injecting drug use and associated HIV prevalence trends in Malaysia and Iran, with possible application of lessons learned to an emerging situation in Afghanistan.
    Matched MeSH terms: Substance Abuse, Intravenous/complications
  10. The use of rapid assessment methodology to compliment existing national assessment and surveillance data: a study among injecting drug users in Penang, Malaysia
    Vicknasingam B, Navaratnam V
    Int J Drug Policy, 2008 Feb;19(1):90-3.
    PMID: 18312823 DOI: 10.1016/j.drugpo.2006.11.004
    The study explores how data collated from rapid assessment can enhance those produced by national level surveillance systems, in this case the national drug information (NADI) system in Malaysia. Qualitative data were collected in keeping with internationally accepted guidance on rapid assessment methods in the field of substance use. An inductive research strategy was employed. The rapid assessment produced multiple data on local drug use practices and how these were influenced by the contexts of use. The assessment points to the importance of collecting data not only on patterns of drug use but also on the health and social consequences of drug use. We suggest that the current national drug information system places greater emphasis on behavioural and health-related variables in order to better understand the potential relationships between drug use and health-related risk, including HIV/AIDS.
    Matched MeSH terms: Substance Abuse, Intravenous/epidemiology*
  11. Drug substitution therapy: a new approach in preventing the spread of HIV/AIDS in Malaysia
    Razali SM
    Trop Doct, 2008 Apr;38(2):109-10.
    PMID: 18453507 DOI: 10.1258/td.2007.070001
    The prevalence of HIV/AIDS among drug addicts in Malaysia is high, especially among intravenous drug users. The present treatment and rehabilitation of drug addiction is considered as a failure. The government finally decided to start on Drug Substitution Therapy in early 2005 as an effort to prevent the spread of HIV/AIDS in the country.
    Matched MeSH terms: Substance Abuse, Intravenous/complications; Substance Abuse, Intravenous/rehabilitation*
  12. Case series of buprenorphine injectors in Kuala Lumpur, Malaysia
    Bruce RD, Govindasamy S, Sylla L, Haddad MS, Kamarulzaman A, Altice FL
    Am J Drug Alcohol Abuse, 2008;34(4):511-7.
    PMID: 18584580 DOI: 10.1080/00952990802122259
    Diversion of buprenorphine has been described in settings where it is legally prescribed and has become an increasing concern in Malaysia; it resulted in banning of buprenorphine in Singapore where unsubstantiated case reports suggested that buprenorphine injection was associated with particularly poor outcomes. We therefore conducted a case series of qualitative interviews with buprenorphine injectors in Kuala Lumpur, Malaysia to examine further the issues surrounding buprenorphine injection as well as the abuse of midazolam in combination with buprenorphine. Interviews with 19 men do not suggest significant adverse health consequences from buprenorphine injection alone and injectors have adapted diverted buprenorphine as a treatment modality. A subset of these injectors, however, combined buprenorphine and midazolam for euphoric effects with resultant symptoms of a possible pharmacological interaction. Prospective cohort studies, rather than hospital-derived samples, are needed to better understand the safety of buprenorphine injection.
    Matched MeSH terms: Substance Abuse, Intravenous/mortality*; Substance Abuse, Intravenous/epidemiology; Substance Abuse, Intravenous/prevention & control*
  13. Mortality risk among recent-onset injection drug users in five U.S. cities
    Vlahov D, Wang C, Ompad D, Fuller CM, Caceres W, Ouellet L, et al.
    Subst Use Misuse, 2008;43(3-4):413-28.
    PMID: 18365941 DOI: 10.1080/10826080701203013
    To quantify the risk of death among recent-onset (< 5 years) injection drug users, we enrolled 2089 injection drug users (IDUs) age
    Matched MeSH terms: Substance Abuse, Intravenous/mortality*
  14. Fulltext A randomised controlled trial of peer-adult-led intervention on improvement of knowledge, attitudes and behaviour of university students regarding HIV/AIDS in Malaysia
    Jahanfar S, Lye MS, Rampal L
    Singapore Med J, 2009 Feb;50(2):173-80.
    PMID: 19296033
    INTRODUCTION: The aim of this study was to investigate the knowledge, attitudes and behaviour of university students regarding acquired immunodeficiency syndrome (AIDS) and the human immunodeficiency virus (HIV).
    METHODS: A randomised controlled trial of 530 university students was done using peer-adult facilitators. Participants completed a questionnaire before and after the intervention, which was a four-hour group session. A prevention programme was developed by local experts, health educators and peer facilitators. The peer-adult-led programme was designed to provide a conceptual model of HIV risk reduction through information, motivational and behavioural skills, a harm reduction module and health promotion theme.
    RESULTS: The main outcome measured was the level of knowledge, attitudes and behaviour scores. The results suggest that relative to the control group, participants in the intervention group had higher levels of knowledge (30.37 vs. 25.40; p-value is 0.001) and a better attitude (12.27 vs. 10.84; p-value is 0.001). However, there was no difference in the behavioural score (9.47 vs. 9.41; p-value is 0.530). The correlation between the level of knowledge and age and the level of education was found in the intervention group, but not in the control group (p-value is 0.01). Attitude and gender were found to be correlated in the intervention group only (p-value is 0.01).
    CONCLUSION: Our programme was successful in increasing knowledge and improving attitudes towards AIDS and HIV. However, it did not improve risk-taking behaviour. Peer-adult-led educational programmes for youth using various interactional activities, such as small group discussions, poster activity and empathy exercises, can be successful in changing the prevailing youth perceptions of AIDS and HIV.
    Matched MeSH terms: Substance Abuse, Intravenous
  15. Prevalence rates and risk factors for hepatitis C among drug users not in treatment in Malaysia
    Vicknasingam B, Narayanan S, Navaratnam V
    Drug Alcohol Rev, 2009 Jul;28(4):447-54.
    PMID: 19594801 DOI: 10.1111/j.1465-3362.2009.00087.x
    The prevalence of hepatitis C virus (HCV) among heroin dependants in treatment was estimated at 89.9%; however, virtually no information exists on the prevalence or risk behaviour among the larger population of drug users not in treatment. This study assessed the prevalence of HCV and associated risk factors among this group with a view to designing more effective intervention programs.
    Matched MeSH terms: Substance Abuse, Intravenous/complications*
  16. The relative risk of HIV among IDUs not in treatment in Malaysia
    Vicknasingam B, Narayanan S, Navaratnam V
    AIDS Care, 2009 Aug;21(8):984-91.
    PMID: 20024754 DOI: 10.1080/09540120802657530
    Despite the growing HIV threat among injecting drug users (IDUs) in Malaysia, there is a dearth of information on their HIV risk behaviour. This study focused on identifying specific risk behaviours that distinguished HIV positive IDUs from those who were not. For the first time, data on IDUs not in treatment were obtained through a cross-sectional survey of 526 subjects recruited from five selected cities across peninsular Malaysia. A structured questionnaire and face-to-face interviews were utilised to collect detailed information on their drug use practices and sexual behaviours. On-site serological testing determined their HIV and hepatitis C status. The findings indicated that ethnic Malays, who are also Muslims, form the majority of IDUs not in treatment. Bivariate analysis identified six risk factors associated with HIV seropositivity: being 44 years or younger; not holding a regular job; initiating drug use at age 23 or younger; being a morphine user; sharing injecting equipment and having multiple-sex partners. However, only the last two remained significant in multivariate analysis. That sharing contaminated injecting equipment is a significant risk factor strongly justifies the widening of the pilot needle and syringe exchange programme initiated hesitantly in late 2005 as a reaction to the worsening HIV/AIDS situation. Condom use, though not independently significant, remains important because consistent and wider use could neutralise the second risk factor--having multiple-sex partners. The finding that injecting drug use is increasingly occurring in groups underscores the need for outreach programmes that emphasise safe injecting practices in group settings. In addition, counsellors should endeavour to convince drug users to enter treatment since being in treatment appears to reduce risk behaviours. Finally, conservative Muslim unease about harm reduction must be assuaged quickly since Malay Muslims form the majority of IDUs not in treatment.
    Matched MeSH terms: Substance Abuse, Intravenous/epidemiology*; Substance Abuse, Intravenous/psychology
  17. Fulltext Lack of reduction in buprenorphine injection after introduction of co-formulated buprenorphine/naloxone to the Malaysian market
    Bruce RD, Govindasamy S, Sylla L, Kamarulzaman A, Altice FL
    Am J Drug Alcohol Abuse, 2009;35(2):68-72.
    PMID: 19212931 DOI: 10.1080/00952990802585406
    Diversion of buprenorphine (BPN) has been described in settings where it is legally prescribed and has resulted in increasing concern. To address this concern, co-formulation of buprenorphine/naloxone (BPN/NLX) replaced buprenorphine alone in Malaysia in December 2006.
    Matched MeSH terms: Substance Abuse, Intravenous/epidemiology; Substance Abuse, Intravenous/prevention & control*
  18. Islam and harm reduction
    Kamarulzaman A, Saifuddeen SM
    Int J Drug Policy, 2010 Mar;21(2):115-8.
    PMID: 20006483 DOI: 10.1016/j.drugpo.2009.11.003
    Although drugs are haram and therefore prohibited in Islam, illicit drug use is widespread in many Islamic countries throughout the world. In the last several years increased prevalence of this problem has been observed in many of these countries which has in turn led to increasing injecting drug use driven HIV/AIDS epidemic across the Islamic world. Whilst some countries have recently responded to the threat through the implementation of harm reduction programmes, many others have been slow to respond. In Islam, The Quran and the Prophetic traditions or the Sunnah are the central sources of references for the laws and principles that guide the Muslims' way of life and by which policies and guidelines for responses including that of contemporary social and health problems can be derived. The preservation and protection of the dignity of man, and steering mankind away from harm and destruction are central to the teachings of Islam. When viewed through the Islamic principles of the preservation and protection of the faith, life, intellect, progeny and wealth, harm reduction programmes are permissible and in fact provide a practical solution to a problem that could result in far greater damage to the society at large if left unaddressed.
    Matched MeSH terms: Substance Abuse, Intravenous/complications; Substance Abuse, Intravenous/epidemiology; Substance Abuse, Intravenous/prevention & control*
  19. Treatment and care for injecting drug users with HIV infection: a review of barriers and ways forward
    Wolfe D, Carrieri MP, Shepard D
    Lancet, 2010 Jul 31;376(9738):355-66.
    PMID: 20650513 DOI: 10.1016/S0140-6736(10)60832-X
    We review evidence for effectiveness, cost-effectiveness, and coverage of antiretroviral therapy (ART) for injecting drug users (IDUs) infected with HIV, with particular attention to low-income and middle-income countries. In these countries, nearly half (47%) of all IDUs infected with HIV are in five nations--China, Vietnam, Russia, Ukraine, and Malaysia. In all five countries, IDU access to ART is disproportionately low, and systemic and structural obstacles restrict treatment access. IDUs are 67% of cumulative HIV cases in these countries, but only 25% of those receiving ART. Integration of ART with opioid substitution and tuberculosis treatment, increased peer engagement in treatment delivery, and reform of harmful policies--including police use of drug-user registries, detention of drug users in centres offering no evidence-based treatment, and imprisonment for possession of drugs for personal use--are needed to improve ART coverage of IDUs.
    Matched MeSH terms: Substance Abuse, Intravenous/complications*; Substance Abuse, Intravenous/drug therapy*; Substance Abuse, Intravenous/economics; Substance Abuse, Intravenous/epidemiology
  20. Injection of buprenorphine and buprenorphine/naloxone tablets in Malaysia
    Vicknasingam B, Mazlan M, Schottenfeld RS, Chawarski MC
    Drug Alcohol Depend, 2010 Sep 1;111(1-2):44-9.
    PMID: 20478668 DOI: 10.1016/j.drugalcdep.2010.03.014
    Buprenorphine maintenance is efficacious for treating opioid dependence, but problems with diversion and misuse of buprenorphine (BUP) may limit its acceptability and dissemination. The buprenorphine/naloxone combination tablet (BNX) was developed to reduce potential problems with diversion and abuse. This paper provides data regarding the characteristics of BUP injection drug users in Malaysia and preliminary data regarding the impact of withdrawing BUP and introducing BNX. BUP was introduced in 2002 and subsequently withdrawn from the Malaysian market in 2006. BNX was introduced in 2007.
    Matched MeSH terms: Substance Abuse, Intravenous/epidemiology*
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